/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package Controllers;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Lurtz
 */
@WebServlet(name = "ControllerItemInfo", urlPatterns = {"/ControllerItemInfo"})
public class ControllerItemInfo extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        String viewUrl = "/index.jsp";
//        request.setAttribute("showPage", "itemInfo");

        try {
            HttpSession session = request.getSession();
            if (session == null) {
                viewUrl = "/error.jsp";
                System.out.println("Nastala chyba.");
            } else {
                if (session.isNew()) {
                    System.out.println("Nova Session.");

                }

                System.out.println((String)session.getAttribute("snowORski") );
                if ("snow".equals((String) session.getAttribute("snowORski"))) {
                    request.setAttribute("showPage", "itemInfo");
                    System.out.println(".........................");
                    System.out.println(session.getAttribute("snowORski") + ";;;;;;;;;;;;;;;;;;;;;;;;;;;;" + session.getAttribute("cisloItem"));
                    int cisloSnow = Integer.parseInt((String) session.getAttribute("cisloItem"));
                    request.setAttribute("cisloItem", cisloSnow - 1);
                    session.setAttribute("cisloObrItem", cisloSnow);
                    
                } else if ("ski".equals((String) session.getAttribute("snowORski"))) {
                    request.setAttribute("showPage", "itemInfoSki");
                    System.out.println(",,,,,,,,,,,,,,,,,,,,,,,,,");
                    System.out.println(session.getAttribute("snowORski") + ";;;;;;;;;;;;;;;;;;;;;;;;;;;;" + session.getAttribute("cisloItem"));
                    int cisloSki = Integer.parseInt((String) session.getAttribute("cisloItem"));
                    request.setAttribute("cisloItemSki", cisloSki - 1);
//                    request.setAttribute("cisloObrItemSki", cisloSki);
                    session.setAttribute("cisloObrItemSki", cisloSki);
                }





            }

            RequestDispatcher rd = getServletContext().getRequestDispatcher(viewUrl);
            rd.forward(request, response);
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
